A. D. Becke, “Density-functional thermochemistry. I. The effect of the exchange-only gradient correction,” J. Chem. Phys., 96 (1992) 2155-60. DOI: 10.1063/1.462066
A. D. Becke, “Density-functional thermochemistry. I. The effect of the exchange-only gradient correction,” J. Chem. Phys., 96 (1992) 2155-60. DOI: 10.1063/1.462066